Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (7) (-) Fluid (1) Oral Fluid (Saliva) (2) Serum or Plasma (7) Tissue (2) Urine (4) Test Area Therapeutics (1) Test Category Antianxiety (1) (-) Antiarrhythmics (1) Antihistamines (2) Cholinesterase Inhibitors (1) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (2) Test Sub-Category Cardiac Glycosides (1) Test Test Name 1615FL Digoxin, Fluid